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    <meta charset="UTF-8">
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    <title>Document</title>
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<body>
    <script>
        //遍历数组，直接便利
        let arr = ['张飞','牛肉',22, true,99,33,55];
        console.log(arr[0]);
        console.log(arr[1]);
        console.log(arr[2]);
        console.log(arr[3]);
        console.log(arr[4]);
        console.log(arr[5]);
        console.log(arr[6]);
       //2.for 循环，遍历索引号
       for (let i = 0; i < 7; i++){
        //console.log(i);
        console.log(arr[i]);
       }
       //for 循环，遍历索引号
       for (let i = 0; i < arr.length;i++){
        console.log(arr[i]);
       }
    </script>
</body>
</html>